Documenting StringUtils
Updated isSigned to check for RSA as well as DSA certificates.
isInEmulator now checks the Context for the TelephonyManager, supposedly more reliable.
formatNewScreenshotName now being used in formatNewScreenshotFileLocation, also we now have a  formatNewScreenshotName method.
added a null check in hashedUuidOfPackageFile so things do not explode.
unused imports, beter exception handling.
null check for the KillSwitch for safer logs.
temporary logs in crashReportHelper.